CN103746296A - Intelligent microprocessor protection device with operation status display, wireless temperature measurement and communication protocol automatic switching functions - Google Patents
Intelligent microprocessor protection device with operation status display, wireless temperature measurement and communication protocol automatic switching functions Download PDFInfo
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- CN103746296A CN103746296A CN201310408740.4A CN201310408740A CN103746296A CN 103746296 A CN103746296 A CN 103746296A CN 201310408740 A CN201310408740 A CN 201310408740A CN 103746296 A CN103746296 A CN 103746296A
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention discloses an intelligent microprocessor protection device with operation status display, wireless temperature measurement and communication protocol automatic switching functions. The device comprises an input circuit composed of a transformer set and a circuit, an intelligent protection CPU, a wireless temperature measurement part, an operation and status display part a power-loss delay tripping part, a protocol automatic switching part, a large-screen color liquid crystal display, a keyboard, a real-time clock, an optoelectronic isolation part and a power supply unit. The device also comprises a high-voltage live display and an infrared inductive probe. According to the invention, functions of high-voltage live display, temperature control, control change-over switch, switch cabinet one-time state diagram color display, wireless temperature measurement, communication protocol automatic switching and no-voltage delay action, etc. are realized. The device also can be connected with a superior scheduling system through an Ethernet fiber interface so as to upload local relevant data at real time. Whole series of microcomputer protection functions are combined. The device provided by the invention can be widely applied in the field of power-system intelligent microcomputer comprehensive protection device.
Description
Technical field
The present invention relates to a kind of transformer station switch cubicle and computer integrated protection, relate in particular to a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function.
Background technology
Supply of electric power seems more and more important at society; advance and the modernization of safety, quality and change distribution and the power supply unit of power supply are closely related; oneself can not meet the needs of modern electric industry far away the function that traditional switch cubicle possesses; for example: demonstration and high voltage, humiture display unit, wireless temperature measurement warning device, infrared ray automatic induction sniffer and the complete series microcomputer protecting device of various states in switch cubicle operation, also will have the functions such as decompression deferred action function, network scheduling and transmission data.
Due to development course and the reason such as historical, possess completely and to meet the equipment of above-mentioned condition and function still rare, electric power system build and transformation in, mostly be that above-mentioned single devices or device are added to benefit to be on the spot arranged on switch cubicle at present; Owing to not being Uniting, it is very inconvenient to install, and if the incompatible cost that has also increased buying and debugged, move, safeguard of these devices.
Zhuhai Radiance Electric Co., Ltd., for above-mentioned present situation and user's feedback, has developed the Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration and wireless temperature measurement and communication protocol auto-conversion function.This Intelligent Microcomputer Protection Unit has been owing to having integrated above function, substantially contained the demands such as the control, protection, communication of switch cubicle, is applicable to being very much arranged on autogamy transfer transformer station, regional transformer station and power distribution station; Because only an intelligent apparatus being installed on the spot, reduced operation expense, easy to operate and cost performance is excellent and enjoy customer acceptance.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function is provided.
The technical solution adopted in the present invention is: it comprises the input circuit by instrument transformer group and the electric circuit constitute the present invention, intelligent protection CPU, wireless temperature measurement part, operation and state display part are divided, dead electricity delay tripping part, the automatic conversion portion of stipulations, large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part and power unit, the automatic conversion portion of described stipulations comprises communication interface, described photoelectricity isolated part comprises relay, described wireless temperature measurement part comprises wireless temperature measurement probe and wireless temperature measurement receiver module, described power unit comprises 5V and the output of 24V direct current, and described intelligent protection CPU comprises A/D analog-to-digital conversion, SPI interface, timer, definite value memory block, program storage area, serial port, I/O input/output interface, described A/D analog-to-digital conversion is connected with described input circuit, described SPl interface is connected with described wireless temperature measurement receiver module, described definite value memory block is divided and is connected with described operation and state display part, described program storage area is connected with described dead electricity delay tripping part, described serial port is connected with the automatic conversion portion of described stipulations, and described I/O input/output interface is connecting described large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part.
Described intelligent protection CPU also comprises:
Intelligent cell state detection module, also sends data to intelligent cell control module in real time for detection of the state of electrification display, change over switch, temp probe, moisture probe, infrared probe, current transformer, voltage transformer;
Intelligent cell judge module, for the real time data that receives described intelligent cell state detection module transmission is judged, when the result of judgement exceeds setting range, starts described intelligent cell control module and controls accordingly;
Intelligent cell control module, for receiving the instruction of described intelligent cell judge module transmission and the state of described electrification display, change over switch, temp probe, moisture probe, infrared probe, current transformer, voltage transformer being controlled and driven relay to send alarm signal;
Communication transmission module, receives the instruction of described intelligent cell control module and on off state, electric current and voltage parameter is transferred to the superior Background communication system transmission again of the automatic conversion portion of described stipulations by the packing of device internal agreement.
Described intelligent cell control module can trip, light malfunction indicator lamp and drive color screen to carry out fault message demonstration according to actual conditions control electric heater, dehumidifying fan, relay outlet.
It also comprises high-voltage charge display device and infrared induction probe this device; described high-voltage charge display device is all connected with described intelligent protection CPU and large screen color liquid crystal screen with infrared induction probe, and once scheme in the described large screen color liquid crystal screen energy various operating modes of display switch cabinet and mode of operation and loop.
Described wireless temperature measurement probe is one or more, and is arranged on required monitoring point by external, described wireless temperature measurement probe and the wireless telecommunications of described wireless temperature measurement receiver module, and described wireless temperature measurement receiver module can while and the communication of 128 wireless temperature measurement probes.
The automatic conversion portion of described stipulations is built-in with a communication protocol change-over panel, and it is standard 104 communication protocols that described communication protocol change-over panel will install internal communication protocol conversion, by communication interface, connects with superior system.
The invention has the beneficial effects as follows: due to the present invention, it comprises the input circuit by instrument transformer group and the electric circuit constitute, intelligent protection CPU, wireless temperature measurement part, operation and state display part are divided, dead electricity delay tripping part, the automatic conversion portion of stipulations, large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part and power unit, the automatic conversion portion of described stipulations comprises communication interface, described photoelectricity isolated part comprises relay, described wireless temperature measurement part comprises wireless temperature measurement probe and wireless temperature measurement receiver module, described power unit comprises 5V and the output of 24V direct current, and described intelligent protection CPU comprises A/D analog-to-digital conversion, SPI interface, timer, definite value memory block, program storage area, serial port, I/O input/output interface, described A/D analog-to-digital conversion is connected with described input circuit, described SPl interface is connected with described wireless temperature measurement receiver module, described definite value memory block is divided and is connected with described operation and state display part, described program storage area is connected with described dead electricity delay tripping part, described serial port is connected with the automatic conversion portion of described stipulations, and described I/O input/output interface is connecting described large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part, it also comprises high-voltage charge display device and infrared induction probe this device of while, described high-voltage charge display device is all connected with described intelligent protection CPU and large screen color liquid crystal screen with infrared induction probe, and once scheme in the described large screen color liquid crystal screen energy various operating modes of display switch cabinet and mode of operation and loop.So the present invention is a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration and wireless temperature measurement and communication protocol auto-conversion function.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present invention;
Fig. 2 is the structural representation that mode of operation of the present invention shows;
Fig. 3 is the structural representation of wireless temperature measurement some work of the present invention;
Fig. 4 is the structural representation of dead electricity delay tripping part of the present invention.
Embodiment
As shown in Figure 1, the present invention it comprise the input circuit by instrument transformer group and the electric circuit constitute, intelligent protection CPU, wireless temperature measurement part, operation and state display part are divided, dead electricity delay tripping part, the automatic conversion portion of stipulations, large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part and power unit, the automatic conversion portion of described stipulations comprises communication interface, described photoelectricity isolated part comprises relay, described wireless temperature measurement part comprises wireless temperature measurement probe and wireless temperature measurement receiver module, described power unit comprises 5V and the output of 24V direct current, and described intelligent protection CPU comprises A/D analog-to-digital conversion, SPI interface, timer, definite value memory block, program storage area, serial port, I/O input/output interface, described A/D analog-to-digital conversion is connected with described input circuit, described SPl interface is connected with described wireless temperature measurement receiver module, described definite value memory block is divided and is connected with described operation and state display part, described program storage area is connected with described dead electricity delay tripping part, described serial port is connected with the automatic conversion portion of described stipulations, and described I/O input/output interface is connecting described large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part, described intelligent protection CPU also comprises: intelligent cell state detection module, for detection of electrification display, change over switch, temp probe, moisture probe, infrared probe, current transformer, the state of voltage transformer also sends data to intelligent cell control module in real time, intelligent cell judge module, for the real time data that receives described intelligent cell state detection module transmission is judged, when the result of judgement exceeds setting range, starts described intelligent cell control module and controls accordingly, intelligent cell control module, for receiving the instruction of described intelligent cell judge module transmission and the state of above-mentioned electrification display, change over switch, temp probe, moisture probe, infrared probe, current transformer, voltage transformer being controlled and driven relay to send alarm signal, described intelligent cell control module can trip, light malfunction indicator lamp and drive color screen to show fault message according to actual conditions control electric heater, dehumidifying fan, relay outlet, communication transmission module, receives the instruction of described intelligent cell control module and the relevant parameters such as on off state, electric current, voltage is transferred to the superior Background communication system transmission again of the automatic conversion portion of described stipulations by the packing of device internal agreement.
It also comprises high-voltage charge display device and infrared induction probe this device; described high-voltage charge display device is all connected with described intelligent protection CPU and large screen color liquid crystal screen with infrared induction probe, and once scheme in the described large screen color liquid crystal screen energy various operating modes of display switch cabinet and mode of operation and loop.
Described wireless temperature measurement probe is one or more, and is arranged on required monitoring point by external, described wireless temperature measurement probe and the wireless telecommunications of described wireless temperature measurement receiver module, and described wireless temperature measurement receiver module can while and the communication of 128 wireless temperature measurement probes.
Due to electric power system requires intelligent protection device can be directly and 104 communications protocol seamless connections; the automatic conversion portion of described stipulations is a built-in communication protocol change-over panel; can be standard 104 communication protocols by the protocol conversion of device internal communication, by communication interface, connect with superior system.
In the present embodiment, comprehensive multiple apparatus function is in an Intelligent Microcomputer Protection Unit, it
Implementation method is:
One, switch cubicle mode of operation Presentation Function:
1, switch cubicle high-voltage charge display device is arranged on intelligent protection device panel with controlling change over switch, and its wiring is in intelligent protection device outside, and then ensured strong and weak electricity separation.
2, temperature measuring probe line access intelligent protection device terminal, by intelligent protection device, CPU is shown in liquid crystal display screen by real time temperature.
3, infrared induction probe is arranged on device panel, when sensing while having commissioning staff within the scope of first two meters of cabinet, can automatically light intelligent protection device liquid crystal color screen, so that operation commissioning staff observes switch cabinet one-time state.
Two, wireless temperature measuring function:
1, on the external monitoring point that is arranged on switch cubicle of wireless temperature measurement probe, by wireless communication mode and the communication of intelligent protection device internal wireless receiver module, and then monitoring point real time temperature is uploaded.
2, intelligent protection device internal wireless receiver module can be simultaneously and the communication of 128 wireless temperature measurements probes, and the monitoring point real time temperature gathering is judged whether excess Temperature and sent alarm signal by intelligent protection device CPU.
Three, communication protocol auto-conversion function:
1, due to electric power system requires intelligent protection device can be directly and 104 communications protocol seamless connections; intelligent protection device is a built-in communication protocol change-over panel; can be standard 104 communication protocols by the protocol conversion of device internal communication, by the Ethernet optical fiber interface on change-over panel, connect with superior system.
Four, decompression deferred action function:
1, for ensureing that breaker of switch cabinet can reliable disjunction when fault, it is the electric capacity of 2000 μ f that capacity has been installed in intelligent protection device inside, guarantees to continue section breaker cabinet breaker in time of 60S, has increased the reliability of equipment.Described capacity is that the break-make connection of the electric capacity of 2000 μ f is controlled by the included relay of described photoelectricity isolated part.
This Intelligent Microcomputer Protection Unit comprehensive integration and realized HV live displaying, temperature control, controlled change over switch, the function such as the colored demonstration of switch cabinet one-time state diagram, infrared ray automatic induction probe, wireless temperature measurement, communication protocol are changed automatically, complete series Microcomputer Protection and decompression deferred action; also can be connected with higher level's dispatching patcher by Ethernet optical fiber interface, related data is uploaded on the spot in real time.The field requirement that can all be applicable to different user, range of application is very extensive.The present invention can be widely used in Power System Intelligent type computer integrated protection field.
Claims (6)
1. one kind possesses mode of operation demonstration, the Intelligent Microcomputer Protection Unit of wireless temperature measurement and communication protocol auto-conversion function, is characterized in that: it comprises the input circuit by instrument transformer group and the electric circuit constitute, intelligent protection CPU, wireless temperature measurement part, operation and state display part are divided, dead electricity delay tripping part, the automatic conversion portion of stipulations, large screen color liquid crystal screen, keyboard, real-time clock, photoelectricity isolated part and power unit, the automatic conversion portion of described stipulations comprises communication interface, described photoelectricity isolated part comprises relay, described wireless temperature measurement part comprises wireless temperature measurement probe and wireless temperature measurement receiver module, described power unit comprises 5V and the output of 24V direct current, and described intelligent protection CPU comprises A/D analog-to-digital conversion, SPI interface, timer, definite value memory block, program storage area, serial port and I/O input/output interface, described A/D analog-to-digital conversion is connected with described input circuit, described SPl interface is connected with described wireless temperature measurement receiver module, described definite value memory block is divided and is connected with described operation and state display part, described program storage area is connected with described dead electricity delay tripping part, described serial port is connected with the automatic conversion portion of described stipulations, and described I/O input/output interface is connecting described large screen color liquid crystal screen, keyboard, real-time clock and photoelectricity isolated part.
2. a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function according to claim 1, is characterized in that: described intelligent protection CPU also comprises:
Intelligent cell state detection module, also sends data to intelligent cell control module in real time for detection of the state of electrification display, change over switch, temp probe, moisture probe, infrared probe, current transformer and voltage transformer;
Intelligent cell judge module, for the real time data that receives described intelligent cell state detection module transmission is judged, when the result of judgement exceeds setting range, starts described intelligent cell control module and controls accordingly;
Intelligent cell control module, for receiving the instruction of described intelligent cell judge module transmission and the state of described electrification display, change over switch, temp probe, moisture probe, infrared probe, current transformer and voltage transformer being controlled and driven relay to send alarm signal;
Communication transmission module, receives the instruction of described intelligent cell control module and on off state, electric current and voltage parameter is transferred to the superior Background communication system transmission again of the automatic conversion portion of described stipulations by the packing of device internal agreement.
3. a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function according to claim 1, is characterized in that: described intelligent cell control module can and be lighted malfunction indicator lamp and drive color screen to carry out fault message demonstration according to actual conditions control electric heater, dehumidifying fan, relay outlet tripping operation.
4. a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function according to claim 1; it is characterized in that: it also comprises high-voltage charge display device and infrared induction probe; described high-voltage charge display device is all connected with described intelligent protection CPU and large screen color liquid crystal screen with infrared induction probe, and once scheme in the described large screen color liquid crystal screen energy various operating modes of display switch cabinet and mode of operation and loop.
5. a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function according to claim 1; it is characterized in that: described wireless temperature measurement probe is for one or more; and be arranged on required monitoring point by external; described wireless temperature measurement probe and the wireless telecommunications of described wireless temperature measurement receiver module, described wireless temperature measurement receiver module can while and the communication of 128 wireless temperature measurements probes.
6. a kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function according to claim 1; it is characterized in that: the automatic conversion portion of described stipulations is built-in with a communication protocol change-over panel; it is standard 104 communication protocols that described communication protocol change-over panel will install internal communication protocol conversion, by communication interface, connects with superior system.
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| CN201310408740.4A CN103746296B (en) | 2013-09-10 | 2013-09-10 | A kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function |
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| CN201310408740.4A CN103746296B (en) | 2013-09-10 | 2013-09-10 | A kind of Intelligent Microcomputer Protection Unit that possesses mode of operation demonstration, wireless temperature measurement and communication protocol auto-conversion function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104125693A (en) * | 2014-08-12 | 2014-10-29 | 国网重庆市电力公司 | Transformer substation lighting control system and control method implemented by same |
| CN104298276A (en) * | 2014-10-16 | 2015-01-21 | 国家电网公司 | Internal temperature monitoring device of electrical equipment mechanism |
| CN106711826A (en) * | 2017-01-19 | 2017-05-24 | 珠海瑞捷电气股份有限公司 | Removable circuit breaker switch cabinet and wiring-omitting method thereof |
| CN106849028A (en) * | 2017-01-19 | 2017-06-13 | 珠海瑞捷电气股份有限公司 | A kind of on-load switch intelligent control unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5428553A (en) * | 1989-02-22 | 1995-06-27 | Hitachi, Ltd. | Digital control and protection equipment for power system |
| CN2891133Y (en) * | 2005-11-30 | 2007-04-18 | 杭州市电力局 | Tele-controlled and telemetric online monitoring and diagnostic apparatus |
| CN201450320U (en) * | 2009-08-14 | 2010-05-05 | 珠海瑞捷电气有限公司 | Intelligent microcomputer integrated protective device with temperature monitoring function |
| CN202373969U (en) * | 2011-12-08 | 2012-08-08 | 北京四方华能电气设备有限公司 | Intelligent current protection device |
-
2013
- 2013-09-10 CN CN201310408740.4A patent/CN103746296B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5428553A (en) * | 1989-02-22 | 1995-06-27 | Hitachi, Ltd. | Digital control and protection equipment for power system |
| CN2891133Y (en) * | 2005-11-30 | 2007-04-18 | 杭州市电力局 | Tele-controlled and telemetric online monitoring and diagnostic apparatus |
| CN201450320U (en) * | 2009-08-14 | 2010-05-05 | 珠海瑞捷电气有限公司 | Intelligent microcomputer integrated protective device with temperature monitoring function |
| CN202373969U (en) * | 2011-12-08 | 2012-08-08 | 北京四方华能电气设备有限公司 | Intelligent current protection device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104125693A (en) * | 2014-08-12 | 2014-10-29 | 国网重庆市电力公司 | Transformer substation lighting control system and control method implemented by same |
| CN104125693B (en) * | 2014-08-12 | 2016-04-06 | 国网重庆市电力公司 | The control method of transformer station's lamp light control system |
| CN104298276A (en) * | 2014-10-16 | 2015-01-21 | 国家电网公司 | Internal temperature monitoring device of electrical equipment mechanism |
| CN106711826A (en) * | 2017-01-19 | 2017-05-24 | 珠海瑞捷电气股份有限公司 | Removable circuit breaker switch cabinet and wiring-omitting method thereof |
| CN106849028A (en) * | 2017-01-19 | 2017-06-13 | 珠海瑞捷电气股份有限公司 | A kind of on-load switch intelligent control unit |
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| CN103746296B (en) | 2016-05-04 |
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Address after: 519000, No. 33, No. three road, Tang Wan Town, Zhuhai hi tech Zone, Guangdong, 2 Applicant after: ZHUHAI RADIANCE ELECTRIC CO., LTD. Address before: 519085 new economic resources development port, No. 1, Ha Ha Road, Tang Wan, Zhuhai, Guangdong Applicant before: Zhuhai Radiance Electric Co., Ltd. |
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